Inventor
YEN CHIH-CHUNG
TW18 patents
⚠️ This page may combine multiple inventors who share the name “YEN CHIH-CHUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DARFON ELECTRONICS CORP
9 patentsUS10475598B2Nov 12, 2019
Keyswitch structure
DARFON ELECTRONICS CORP3 citations72
US9396893B2Jul 19, 2016
Magnetic keyswitch and related keyboard
DARFON ELECTRONICS CORP6 citations72
USRE50000EJun 4, 2024
Keyswitch structure
DARFON ELECTRONICS CORP0 citations62
US10283289B2May 7, 2019
Keyswitch structure
DARFON ELECTRONICS CORP1 citations62
US7589293B2Sep 15, 2009
Membrane switch circuit and keyswitch using such membrane switch circuit
DARFON ELECTRONICS CORP4 citations62
US7973254B2Jul 5, 2011
Key structure
DARFON ELECTRONICS CORP5 citations61
US7709762B2May 4, 2010
Keyboard
DARFON ELECTRONICS CORP2 citations60
US12374512B2Jul 29, 2025
Keyswitch structure and keycap supporting mechanism thereof
DARFON ELECTRONICS CORP0 citations51
US7696446B2Apr 13, 2010
Key structure
DARFON ELECTRONICS CORP1 citations51